function denglu() {
	var user = document.getElementById("user").value;
	var pwd = document.getElementById("psw").value;
	//判断
	console.log(user !== '123456' && pwd !== '123456')
	if (user !== '123456' && pwd !== '123456') {
		alert("账户或密码错误");
	} else {
		//window.open('xuezi.html');
		//window.location.href="http://www.baidu.com"
		setTimeout("(location.href = "../xuezi.html")", 2000);
	
}
